/Engine/Plugins/Runtime/nDisplay/Source/DisplayCluster/Public/Render/IDisplayClusterRenderManager.h
Registers PostProcess factory
bool RegisterPostProcessFactory ( const [FString](API\Runtime\Core\Containers\FString) & PostProcessType, [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [IDisplayClusterPostProcessFactory](API\Plugins\DisplayCluster\Render\PostProcess\IDisplayClusterPostProcessFactor-) > & Factory )